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Class 11
Class 11 Boyle's LawTo study the variation in volume with pressure for a sample of air at constant temperature by plotting graphs between P and V, and between P and 1/v. Viscosity of a liquid - Stoke's methodTo determine the coefficient of viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body. Sonometer1. To study the relation between frequency and length of a given wire under constant tension using sonometer. To plot a graph between ν and l. 2. To study the relation between length of a given wire and tension for constant frequency using sonometer. To plot a graph between l2 and T. Surface TensionTo determine the surface tension of water by capillary rise method. Helical SpringTo find the force constant of a helical spring by plotting a graph between load and extension. FrictionTo study the relationship between force of limiting friction and normal reaction and to find the co-efficient of friction between a block and a horizontal surface Beam BalanceTo find the mass of the given body by sensibility method, using a beam balance. SpherometerTo measure the thickness of a glass strip and to determine the radius of curvature of a given spherical surface. Simple pendulumTo plot L-T and L-T2 graphs using a simple pendulum and thus find the; Effective length of the second's pendulum using the appropriate graph. Acceleration due to gravity. Screw GaugeUse of screw gauge:(i) to measure diameter of a given wire and (ii) to measure thickness of a given sheet. Young's ModulusDetermine Young's modulus of elasticity of the material of a given wire Inclined PlaneTo find the downward force, along an inclined plane, acting on a roller due to gravitational pull of the earth and study its relationship with the angle of inclination () by plotting graph between force and sin θ Vernier CalipersUse of Vernier Calipers (i)To measure the diameter of a small spherical / cylindrical body. (ii)To measure the length, width and height of the given rectangular block. (iii)To measure the internal diameter and depth of a given beaker/calorimeter and hence find its volume. Resonance ColumnTo find the speed of sound in air at room temperature using a resonance tube by two resonance positions. Newton's Law of Cooling(Thermal Radiation)To study the relationship between the temperature of a hot body and time by plotting a cooling curve. Parallelogram Law of Vectors.To find the weight of a given body using parallelogram law of vectors.